box turtle

Short definition from Wiktionary

Noun

1. 1
   A turtle of the genera Terrapene (the North American box turtles), Cuora, or Pyxidea (the Asian box turtles), characterised by having a domed shell that is hinged at the bottom, allowing the animal to close its shell tightly to escape predators.
2. 2
   Alternative form of box turtle.